content/renderer/external_popup_menu.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_EXTERNAL_POPUP_MENU_H_
   6 #define CONTENT_RENDERER_EXTERNAL_POPUP_MENU_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "third_party/WebKit/public/web/WebExternalPopupMenu.h"
  12 #include "third_party/WebKit/public/web/WebPopupMenuInfo.h"
  13 #include "ui/gfx/point.h"
  14
  15 namespace blink {
  16 class WebExternalPopupMenuClient;
  17 }
  18
  19 namespace content {
  20 class RenderFrameImpl;
  21
  22 class ExternalPopupMenu : public blink::WebExternalPopupMenu {
  23  public:
  24   ExternalPopupMenu(RenderFrameImpl* render_frame,
  25                     const blink::WebPopupMenuInfo& popup_menu_info,
  26                     blink::WebExternalPopupMenuClient* popup_menu_client);
  27
  28   virtual ~ExternalPopupMenu() {}
  29
  30   void SetOriginScaleAndOffsetForEmulation(
  31       float scale, const gfx::Point& offset);
  32
  33 #if defined(OS_MACOSX)
  34   // Called when the user has selected an item. |selected_item| is -1 if the
  35   // user canceled the popup.
  36   void DidSelectItem(int selected_index);
  37 #endif
  38
  39 #if defined(OS_ANDROID)
  40   // Called when the user has selected items or canceled the popup.
  41   void DidSelectItems(bool canceled, const std::vector<int>& selected_indices);
  42 #endif
  43
  44   // blink::WebExternalPopupMenu implementation:
  45   virtual void show(const blink::WebRect& bounds);
  46   virtual void close();
  47
  48  private:
  49   RenderFrameImpl* render_frame_;
  50   blink::WebPopupMenuInfo popup_menu_info_;
  51   blink::WebExternalPopupMenuClient* popup_menu_client_;
  52
  53   // Popups may be displaced when screen metrics emulation is enabled.
  54   // These scale and offset are used to properly adjust popup position.
  55   float origin_scale_for_emulation_;
  56   gfx::Point origin_offset_for_emulation_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(ExternalPopupMenu);
  59 };
  60
  61 }  // namespace content
  62
  63 #endif  // CONTENT_RENDERER_EXTERNAL_POPUP_MENU_H_